The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 02, 2018
Filed:
Jan. 07, 2016
Hangzhou Xieneng Technology Co., Ltd., Hangzhou, CN;
Danji Xi, Hangzhou, CN;
Yongan Huang, Hangzhou, CN;
Xunwei Zhou, Hangzhou, CN;
Pitleong Wong, Hangzhou, CN;
HANGZHOU XIENENG TECHNOLOGY CO., LTD., Hangzhou, CN;
Abstract
A general control circuit for active balance comprises a first sampling wire () and a second sampling wire () by which voltages of adjacent battery packs () are sampled respectively. A first voltage division circuit which is composed of a fourth resistor (R) and a fifth resistor (R) connected in series, is connected to the first sampling wire. The voltage division terminal (p) of the first voltage division circuit is connected to one input terminal of a first operational amplifier (U) and one input terminal of a second operational amplifier (U) to provide a reference voltage (Vref) for the first operational amplifier and the second operational amplifier. A second voltage division circuit which is composed of a first resistor (R), a second resistor (R) and a third resistor (R) connected in series, is connected to the second sampling wire. The voltage division terminal (m) connected between the first resistor and the second resistor is connected to the other input terminal of the first operational amplifier. The voltage division terminal (n) connected between the second resistor and the third resistor is connected to the other input terminal of the second operational amplifier. The output terminal of the first operational amplifier is connected to an upward energy transfer circuit () of a power balance circuit. The output terminal of the second operational amplifier is connected to a downward energy transfer circuit () of the power balance circuit. The general control circuit is low in cost, easy to be modularized and convenient to be applied.